Identifier: americanjournroen09ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ut yet so clearlj marked off on thesurface that there is no question as to itsidentity. Only when it is so completelyfused with another bone that it loses itsown characteristics is its nature in doubt. In order to gain a better idea as to thenature of these bones, I have madecomposite drawings oi the toot of anadult, both dorsal and plantar views,which show the supernumerary ossicles intheir usual relationships to the constantelements. The variations in size, shape,and position of the individual ossiclesare not of sufficient degree to cause anydifliculu in their recognition when seen the Si) rgi G< 1 ral. The Supernumerary Pedal Bones 45 in the macerated foot or in the roentgeno-gram, once their general characteristics ind (Figs. 1 in m and positions are fixedand 2). The following is a tabulation of all thesupernumerary ossicles which, up to the 4. Cuboideum (a) cuboideum secondarium 5. Cuneiforme primum (a) cuneiforme I bipartitum 6. Cuneiforme secundum (a) intercuneiforme
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Fig. 1. Dorsal view. Composite foot showing all knownsupernumerary bones. present time, have been found on dis-section and proved to be true bony vari-ants. To this there is but one exception,and that is the secondary astragaluswhich was seen in a stereoscopic picture,and which the writer has described inanother publication. With this one excep-tion all the bones are firmly established astrue supernumerary ossicles. 1. Astragalus (a) trigonum (6) astragalus secondarius 2. Calcaneus (a) os sustentaculi (b) calcaneum secondarium 3. Naviculare (a) tibiale externumi/m gupranaviculare Fig. 2. Plantar view. (Same foot as Fig. I.) Cuneiforme tertium (a) os unci (processus uncinatus cunei- form is) (b) Intermetatarseum (c) Os vesalianum (d) Os peroneum Normal bonesSupernumerary ossicles Total <3 20 Trigonum. This is the best known of thesupernumerary tarsal bones, and is probablythe one most intensively studied. The firstaccurate description was by Schwegel in1858, although it was first re

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